diff --git a/projectfiles/Xcode/Mac Sources/Wesnoth_Prefix_Release.pch b/projectfiles/Xcode/Mac Sources/Wesnoth_Prefix_Release.pch
new file mode 100644
index 000000000000..b1ccb4c8bdff
--- /dev/null
+++ b/projectfiles/Xcode/Mac Sources/Wesnoth_Prefix_Release.pch	
@@ -0,0 +1,7 @@
+//
+// This is now needed for release builds of the 'Wesnoth' target in the 'Wesnoth' project
+// because somehow sys/types.h does not seem to be added automatically in the latest Xcode
+// any more for the combination of SDKs and build targets used for release builds.
+//
+
+#include <sys/types.h>
diff --git a/projectfiles/Xcode/Wesnoth.xcodeproj/project.pbxproj b/projectfiles/Xcode/Wesnoth.xcodeproj/project.pbxproj
index 8e2a5f1186c1..53a40ac26dce 100644
--- a/projectfiles/Xcode/Wesnoth.xcodeproj/project.pbxproj
+++ b/projectfiles/Xcode/Wesnoth.xcodeproj/project.pbxproj
@@ -4992,7 +4992,7 @@
 				);
 				GCC_OPTIMIZATION_LEVEL = s;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
-				GCC_PREFIX_HEADER = "";
+				GCC_PREFIX_HEADER = "./Mac Sources/Wesnoth_Prefix_Release.pch";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"LOCALEDIR=\\\"translations\\\"",
 					"LUA_USE_MACOSX=1",